2009年リリースの本作は、第二次世界大戦を舞台にした奥深いリアルタイムストラテジー(RTS)です。プレイヤーは国家の最高司令官となり、産業、研究、外交、そして大規模な軍事作戦の全てを管理します。核となるのは、資源配分と部隊展開を伴う緻密な国家運営です。特徴として、歴史的な計画を読み込んだり、独自に描画したりできる「バトルプランモード」や、敵国内での秘密工作を可能にする拡張された諜報システムが挙げられます。マルチプレイでは、作成した戦略を味方と共有できます。PC/Mac向けに提供され、主要な拡張コンテンツや、すぐに戦闘に入れるシナリオモードも用意されています。
","tokens":{"input":2229,"output":164,"total":2393}}中心となるゲームプレイのサイクルは、詳細な世界地図上での国家資源、工業力、および軍事部隊の管理を中心に展開します。プレイヤーは、自国の民間経済のニーズと軍事機構の要求とのバランスを取らなければなりません。新しい技術の研究は、より高度なユニットの解放や既存能力の向上に不可欠であり、紛争を通じて自軍が競争力を維持できるようにすることが重要です。
\n\n軍事作戦は、ユニットの展開、補給路の確保、そして戦術的な交戦という複雑なシステムを通じて管理されます。ゲームはリアルタイムで進行しますが、戦略的な意思決定が最も重要となります。特筆すべき機能としてバトルプランモードがあり、これにより歴史的な作戦計画を読み込むか、あるいは全く新しい戦略ルートを地図上に直接描画することが可能です。これらの計画はその後、自軍によって実行され、大規模な攻勢を効率化します。
\n\n本作は、国家運営と軍事計画における比類のない詳細さによって差別化されています。標準的な戦闘を超えて、システムには拡張された諜報メカニズムが組み込まれており、敵の内部から秘密作戦や妨害活動を実行できます。さらに、自ら描画した、あるいは歴史的なバトルプランをリアルタイムのマルチプレイヤーセッションで連合国と共有できる機能は、協力的な戦略の深さに大きなレイヤーを追加します。
\n\nコアな体験を強化するため、本タイトルはリリース以降、相当な追加コンテンツを受け取っています。
\n\nベースゲームは、3つの主要な拡張パックと4つのダウンロードコンテンツ(DLC)パッケージによってサポートされています。これらの追加要素は通常、新しいメカニズムを導入し、既存のシステムを洗練させ、しばしば紛争のプレイ可能な時代や地理的範囲を拡大します。
\n\n戦争への長い準備段階を管理することなく、すぐにアクションに飛び込みたいプレイヤーのために、ゲームには新しい戦闘シナリオと、集中的で高強度の紛争を提供する専用のカスタムゲームモードが含まれています。
","tokens":{"input":2423,"output":650,"total":3073}}
Enhance your Hearts of Iron III experience with the Axis Minors Vehicle Pack. This pack contains 28 new skins for 12 vehicles to be used by the Axis Minor nations in World War II. Included in this pack are vehicles for Hungaria, Bulgaria, Romania and Slovakia.

Enhance your Hearts of Iron III experience with the Italian Vehicle Pack. This pack contains 16 new vehicles for the Italian Army, Navy and Air Force. Included in this vehicle pack are iconic Italian tanks such as the Fiat-Ansaldo L6/40, the Macchi C.200 Saetta fighter and the CANT Z.1007 Alcione medium bomber.

The US spritepack adds 17 more US sprites in the game. You will se among other things, the Iowa Class battleship, the B-29 Super Fortress and the M4/E8 Sherman Medium Tank. 8 new ships: BB: Iowa Class CV: Essex Class BB: North Carolina Class CV: Lexington class SS: Gato Class Submarine CL: Brooklyn Class CA: Baltimore Class DD: Fletcher...

Hearts of Iron III: Their Finest Hour puts you back in the commander’s seat during World War II. Win the war with new units, strategies and enhanced game modes. Destroy your enemies from within with an expanded espionage system that includes new missions and covert operations. A new battle plan mode allows you to load historical plans or draw your own; all of which can be shared with allies in real-time during multiplayer. Along with the enhanced gameplay there are two new battle scenarios and a new custom game mode that lets you jump straight into the action. Features: *New unique, elite units for each major nation's army - Ghurkhas, Rangers, Imperial guards and more *A deeper naval invasion system with the ability to develop specialized landing and assault crafts *Increased control over strategic warfare with a new lend-lease system for lending your industrial might to allies *Leaders are now able to gain traits and allocating them is more important than ever with a new combat tactics system *New game mode for single and multiplayer. Start with a clean slate and instantly produce units, research technologies and affect political alignment. Speed up the early years and jump straight into the action *Two new detailed battle scenarios, the Finnish Winter War and the Spanish Civil War

It’s time to dust off the field marshal's baton and take command of any nation in World War II; the largest conflict in history. The first expansion to the critically acclaimed Hearts of Iron III lets you take charge -or delegate -at any level, from division to nation, through a variety of scenarios. Guide your country to glory from 1936 to 1948 -wage war on the battlefields, in the factories, and at the negotiating table, in the grandest of all World War II strategy games ever made. Features: *War Goals and enforced peace, each member of the faction can demand their own slice and claim it when it is taken *New Partisan system, build Partisan undergrounds to organize your resistance movements and battle not just the occupier but also other ideologies for control of the country *Seize strategic resources to fuel your war machine *New Theatre Interface giving greater strategic information *Improved Internal politics and a new coup system *The return of the battle scenario system to offer new mini campaigns

It’s time to dust off the field marshal's baton and take command of any nation in World War II; the largest conflict in history. The first expansion to the critically acclaimed Hearts of Iron III lets you take charge - or delegate - at any level, from division to nation, through a variety of scenarios. Features: *Players can now define their own Theatres with a simple dragbox system *The new Order of Battle Browser allows quick and easy reorganization of the entire Command Hierarchy *The Command Hierarchy is now directly represented on the map *A new Air Superiority map mode makes strategic air warfare easy *At game start, each country now gets to choose its own hidden Victory Conditions. Can your enemies guess your secret agenda? *HQs under AI control now have separate aggressiveness stances for Land, Air and Naval operations *Countries can request specific actions from their allies for unprecedented cooperation *Technological progress can now be shared with your allies *Brigades can now be upgraded to more advanced types (e.g. Infantry to Motorized, or Artillery to Self Propelled Artillery) *New 1940 scenario fills a gap in the game's timeline *Hundreds of new events added to immerse players in their own versions of World War II, comparing the unfolding alternate timeline to real history *Mighty warships can be designated the Pride of the Fleet, which is both an opportunity and a risk *The AI has been improved in all areas, at all levels. It will defend in depth, marshal big naval taskforces and launch multi-stage invasions. It will perform more historical diplomacy and pursue a strategic production strategy

The Soviet spritepack adds 16 more Soviet sprites in the game. 8 New Tanks: BT-5 BT-7 T-28 T-34 T-44 KV-1 KV-2 IS-2 5 New Aircraft: Mig-3 Mig-9 Lagg-3 Yak-4 Sukhoi SU-2 3 New Ships: Gangut-class Battleship Kirov-class Heavy Cruiser Leningrad-class Destroyer